Transparent conductive ink, its preparation method and production method of transparent conductive film
A transparent conductive film, transparent conductive technology, applied in conductive materials dispersed in non-conductive inorganic materials, ink, cable/conductor manufacturing, etc., can solve the problems of ITO fragmentation, process waste, large investment, etc., to avoid conductive materials The effect of reducing the rate, improving stability, and fast curing speed
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[0027] An embodiment of the transparent conductive ink of the present invention is as follows:
[0028] A transparent conductive ink, in parts by weight, the transparent conductive ink comprises 5-20 parts of nano-silver wire, 10-30 parts of phenoxy resin, 10-20 parts of alicyclic epoxy resin, and 15-60 parts of active diluent agent, 0.5 to 1 part of surfactant, and 1 to 5 parts of photoinitiator.
[0029] In the present invention, the silver nano wire preferably has a large aspect ratio (i.e. the ratio of silver nano wire length to diameter), which is conducive to improving the light transmittance of the conductive film. The diameter of the silver nano wire is preferably 3 to 100nm. For example 5nm, 8nm, 10nm, 12nm, 15nm, 17nm, 23nm, 40nm, 60nm, 70nm, 80nm, 85nm, 88nm, 90nm, 92nm, 95nm, 97nm, 99nm, 5-50nm, 10-60nm, 20-70nm or 30nm -45nm, etc., the length is 5-50μm, such as 7μm, 10μm, 12μm, 15μm, 18μm, 25μm, 27μm, 30μm, 35μm, 40μm, 42μm, 45μm, 47μm, 49μm, 6-20μm, 25-40μm or 3...
Embodiment 1
[0066] According to the formula shown in Table 1 below, first add phenoxy resin, alicyclic epoxy resin, and reactive diluent into the reaction kettle, heat up to 50-65°C, dissolve and stir for 45 minutes, and disperse evenly; then add nano-silver wire and surfactant, continue to disperse for 30 minutes, cool to 30-45°C, add photoinitiator, stir for 30 minutes to disperse evenly, and vacuumize to obtain transparent conductive ink.
[0067] Table 1
[0068]
[0069]
[0070] Remarks: a. AW040 is a silver nanowire product model purchased from Zhejiang Kexin Materials Co., Ltd., with a diameter (Diameter) of 35-45nm and a length (Length) of 10-20μm; b. SLV-NW-40 is purchased from the United States Blue Nano The product model of the company's nano-silver wire, diameter (Diameter) 39.87±5.85nm, length (Length) 14.8±3.98μm; c, Agnws-60 is the product model of nano-silver wire purchased from Nanjing Xianfeng Nano Material Technology Co., Ltd., diameter (Diameter) 60nm, length (...
Embodiment 2
[0077] The difference between this embodiment and Example 1 is that according to the formula shown in the following table 3 (changing raw materials and consumption), first phenoxy resin, cycloaliphatic epoxy resin, reactive diluent are added in the reactor, and the temperature is raised to 50 ~65°C, dissolve and stir for 45 minutes, and disperse evenly; then add nano-silver wire and surfactant, continue to disperse for 30 minutes, cool to 30-45°C, add photoinitiator, stir for 30 minutes to disperse evenly, and vacuumize to obtain transparent conductive ink.
[0078] table 3
[0079]
[0080]
[0081] The transparent conductive ink of each formula among the embodiment 2 is printed on the transparent base material by screen printing; Then solidify (curing light intensity is 600W / cm) under the ultraviolet light lamp, make the nano silver The wires are connected to each other on the transparent substrate to form a conductive network, that is, a transparent conductive film of...
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